James turner



(No Model.)

3 Sheets-Sheet l.

J. TURNER.

FILE GUTTING MACHINE.

Paten'ted Aug.31,1-897.

I (No Model.) 3Sheet-s-Sheet 2.

J. TURNER. FILE CUTTING MACHINE.

N0. 589,232. Patented Aug. 31,1897.

wane/Mao WWW,

. (No Model.)

- 3 SheetsSheet 3.

J. TURNER.

FILE CUTTING MACHINE.

No. 589,232. Patented Aug.'31, 1897.

W HHHHJN WHIIIIHIIHIIIIIIHIMH IHlllllllllllllllllmill"H! lm l ml 8mm g p W .11, 7%WW altar/"m o UNITED STATES "PATENT rrrcn,

JAMES TURNER, OF PATERSON, NEV JERSEY, ASSIGNOR TOTI'IE KEARNEY (it FOOT COMPANY, OF NE\V YORK, N. Y.

FILE-CUTTING MACHIN E.

SPECIFICATION forming part of Letters Patent No. 589,232, dated August 3 1, 1897.

Application filed January 6, 1897. Serial No. 618,184. (No model.)

To (rZl whom it TIMI/(J .flO/uOdP/ilw wheel 14L may be gradually moved inward to- Be it known that I, JAMES TURNER, a citiward the center of the disk 13 as the cutting zen of the United States, residing at Paterson, of the blank progresses, to thereby increase in the county of Passa-ic and State of New the speed of rotation of the screw 8 and the 55 Jersey, have invented certain new and useful extent of the feed. Dill'erent means may be Improvements in File-Cutting Machines, of employed for shifting the drive-wheel14. As which the following is a specification. shown, the shaft is mounted upon bearings,

My invention relates to improvements in so as to slide longitudinally therein, the drivemachines for cutting rasps, files, &c., as fully wheel 14 being secured fixedly to the shaft, 60 set forth hereinafter and as illustrated in the and I impart the longitudinal movement to accompanying drawings, in which the shaft from aformer E, secured to the car- Figure 1 is a side view of myixnproved mariageor other movable part, through the inchine as arranged for cutting rasps. Fig. 2 tervention of any suitable devices. For inis an edge view, and Fig. 3 is a plan view. stance, the shaft 15 has two collars 1-6 17, be- 15 The frame of the machine is of any suitable tween which is a loose ring 18, carried by a construction. As shown, there is a pedestal forked lever 19, pivoted to the frame, and the A, supporting the base B, upon which there former or pattern-plate E is so arranged that is a horizontal guide D, havinga guide groove a lever 20, pivoted to the frame, can bear at I or channel 00 in which slides the carriage O, its free end against the face of the said plate, 20 having at the upper side .a recess for the rea spring 21 tending to maintain the two in ception of the adjustable bed 6, to which the contact and a oonnecting'rod 23 extending file-blank is applied. According to the charfrom the end of the lever 20 to the tail of the acter of the file, whether round, square, or lever 19. otherwise, the support for the same upon the The plate E is of any suitable form or con- 25 carriage may be varied. struction, according to the extent to which To one side of the carriage is hinged a long the shaft 15 is to be shifted and the variation half-nut 7,havingalongitudinal threaded reof this shifting action. For instance, it is cess adapted to engage the threads of the feedsomewhat wedge-shaped or tapering, so that screw 8, turning in suitable bearin gs upon the at the beginning of operations but little move- 0 base, and in an adjustable support G at one ment is imparted to the shaft 15, and as the side ofastandard orbracket9 reciprocates the operations continue the shaft is gradually tool-holder 10, having at the lower endarecepthrown in the direction of its arrow, thereby tacle for the tool 12 of suitable construction. gradually increasing the speed of rotation of The holder is reciprocat-ed by mechanism of the feed-screw S. 35 ordinary character, which need not be de- Whenever it is desired to carry back the scribed. carriage O or adjust it in position without In cutting certain classes of files it is desirthe screw, the half-nut 7 may be lifted out of able to vary the feed, so that the teeth are cut contact with the screw, and the carriage may closer together at the point or end of the file then be shifted as required. By making use 40 than farther along toward the shank, and in of a long half-nut, as, shown, all tremor or viorder to effect this variation with precision bration or play of the carriage in respect to and secure the exact character of variation the screw is avoided, and the blanks are out according to the character of files to be cut 1- with absolute precision. make use of means which I will now describe. It will be evident that my improved devices 5 45 The feed-screw 8 is provided at one end for feeding the blanks may beemployed with with a friction disk-wheel 13, with the surfile and rasp cutters of differentconstructions.

face of which frictionally engages the periph- \Vithout limiting myself to the precise conery of a friction drive-wheel 11 upon a drivstruction and arrangement of parts shown, I ing-shaft 15 at right angles to the screw 8, claim as my invention- 50 and in combination with these parts I employ In a file or rasp cutting machine, the comsuitable means whereby the friction drivebination with the cutter and carriage, of a In testimony whereof I have signed my name to this specification in the presence of [0 two subscribing Witnesses.

JAMES TURNER. [L.S.]

Vitnesses: V

SANDFORD D. F001, CHAS. E. NATTS. 

